如何从flv视频创建缩略图? [英] how to create thumbnail from flv video?

问题描述

我正在使用ffmpeg工具从视频文件生成缩略图，下面给出了我的代码

i am using ffmpeg tool for generating thumbnail from video file, My code is given below

string imagargs = " -i \"" + inputPath + "\\" + fileName.Remove(fileName.IndexOf(".")) + ".flv" + "\" -f image2 -ss 1 -vframes 1 -s 280x200 -an \"" + imgpath + "\\" + fileName.Remove(fileName.IndexOf(".")) + ".jpg" + "\"";

但是此参数不适用于flv文件.有人能提供完美的论据吗?

but this argument does not work for flv files. Can anybody provide the perfect argument?
thanks in advance.

推荐答案

// For 3 seconds
string imageArgs = "-i " + flvfilein + " -an -ss 00:00:03 -s 120×90 -vframes 1 -f mjpeg " + thumbOut.Split('.')[0] + ".jpg";

//example:
ffmpeg -i video.flv -an -ss 00:00:03 -s 120*90 -vframes 1 -f mjpeg thumbOut.jpg

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